Term
| Who many vocal folds do we have? |
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Definition
We have 4 vocal folds 2 pairs
•2 true vocal folds
•2 false vocal folds |
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Term
| What are the two true vocal folds for ? |
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Definition
| The true vocal folds are used during voicing they vibrate |
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Term
| What are the two false vocal folds for? |
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Definition
| They are used when clearing the throat of foreign objects (coughing) |
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Term
| What is the name of the only bone in the larynx |
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Definition
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Term
| What is another name for the ventricular folds |
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Definition
| The false vocal folds; not used in phonation but can be in rare cases |
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Term
| The posterior quadrate lamina of the cricoid cartilage does what? |
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Definition
| It provides the point of articulation for the thyroid cartilage. |
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Term
| What cartilage is the posterior quadrant lamina found on? |
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Definition
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Term
| What are the two arytenoid cartilages responsible for? |
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Definition
| Responsible for making the vocal folds vibrate |
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Term
| The anterior inferior part of the arytenoid cartilage attaches what? |
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Definition
| This is the posterior point of attachment of the vocal folds |
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Term
| The posterior inferior part of the arytenoid cartilage attaches what? |
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Definition
| This is the attachment for the muscles not involved in the production of sound |
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Term
| What is the anterior notch on the thyroid cartilage called? |
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Definition
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Term
| The epiglottis is attached between the left and right ___1____ which is attached to the inner surface of the ___2____ ___3____. |
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Definition
1)Lamina
2)thyroid 3)notch |
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Term
| What is the name of the point of the epiglottis that attaches to surface of the thyroid notch |
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Definition
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Term
| On top of the arytenoid cartilage sits what minor cartilage |
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Definition
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Term
what is the name of the white line
[image]
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Definition
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Term
What is the name for the number 1
[image] |
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Definition
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Term
what is the name for numbers 2 & 3
[image]
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Definition
2 is the articulate facet for the thyroid cartilage
3 Posterior quadrant lamina |
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Term
lable the numbers 1-5
[image] |
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Definition
1.Hyoid Bone
2.Epiglottis
3.Arytenoid Cartilage
4.Cricoid Cartilage
5.Thyroid Cartilage |
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Term
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Definition
1) Superior Cornu
2) Inferior Cornu |
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Term
| What is the difference between intrinsic and extrinsic laryngeal muscles |
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Definition
Intrinsic muscles: have origins and insertions points in the laryngeal cartilages
Entrinsic Muscles: have either one origin or insertion on a laryngeal cartilage and one on a nonlaryngeal structure |
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Term
| What are the 5 TYPES of Intrinsic muscles of the larynx? |
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Definition
Adductors
Abductors
Relaxers
Tensors
Auxiliary Musculature |
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Term
| What are the Anatomical and Physiological names for the two types of Extrinsic Muscles? |
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Definition
{A} Suprahyoid Muscle
{P} Laryngeal Elevators
{A} Infrahyoid Muscle
{P} Laryngeal Depressors |
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Term
| What are the three Adductor Muscles of the Intrinsic Muscle of the Larynx |
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Definition
Lateral Criocoarytenoid
Thyroarytenoid
Interarytenoid |
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Term
| What is the one Abductor Muscle of the Intrinsic Muscle of the Larynx |
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Definition
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Term
| What are the two Tensor Muscles of the Intrinsic Muscle of the Larynx |
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Definition
Cricothyroids
Thyroarytenoids |
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Term
| What are the two Relaxor Muscles of the Intrinsic Muscle of the Larynx |
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Definition
Lateral Cricroarytenoid
Thyroartenoid |
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Term
[image]
Posterior Cricoarytenoid |
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Definition
Origin: Depression of the posterior surface of the cricoid lamina
Insertion: Muscular process of the Arytenoid
Course: Laterally up
Action: Rotates the Arytenoid and brings the muscular process of the 2 Arytenoid closer and abducting vocal processes |
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Term
[image]
Lateral Cricoarytenoid
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Definition
Origin: upper border of th anterolateral arch of cricoid
Insertion: Muscular process of the arytenoid
Course: Upward and Backward
Action: Rotates the arytenoid cartilage to bring the vocal process together, increasing the medial compression |
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Term
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Definition
Transverse
Origin: Lateral margin, posterior surface of one arytenoid
Insertion: lateral margin posterior surface of the other arytenoid
Course: Horizontally towards the other arytenoid
Oblique
Origin: Posterior surface of the muscular process Posterolateral surfaceof onearytenoid
Insertion: Apex of the other arytenoid
Course: diagonally towards the other arytenoid
Action: Approximate the arytenoids by gliding action |
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Term
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Definition
Origin: the anteriolateral arch of the cricoid cartilage
Overall Course: Diverging towards thyroid
Pars Recta
Insertion: Inner aspect of the lower margin of the thyroid lamina
Course: Vertically upwards
Pars Oblique
Insertion: Anterior margin of the inferior Horn of the thyroid cartilage
Course: Up & Backwards
Action: Decreases cricrothyroid space, increases the tension of the vocal folds by increasing its length |
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Term
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Definition
Origin: Vertically oriented inner surface of the thyroid angle
Insertion: Inferior aspect of vocal process; Base of vocal process
Course
Superior fibers: Backwards
Inferior fibers: lateroposterosuperior
Action: Shortens and relaxes vocal folds |
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Term
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Definition
Origin: Posterior surface of the manubrium of the sternum
(first costal cartilage)
Insertion: Oblique tendon of the thyroid lamina
Course: Upward, slightly lateral
Action: Draws the thyroid cartilage down, enlarges the pharyngeal cavity |
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Term
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Definition
Origin: Oblique tendon of the thyroid lamina
Insertion: Lower border of greatercornu of the hyoid bone
Course: Vertically Up
Action: Decreases thyrohyoid space
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Term
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Definition
Origin: Posterior surface of the manubrium (sternum); medial end of the clavicle
Insert: lower border of the body of the hyoid bone
Couse: Vertically Upward
Action: Draw Hyoid Bone Downward |
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